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PCE
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DIFF Subgroup
H04M 15/06

Recording class or number of calling or called party

Introduced: September 1968

Title

Titles differ between systems:

IPC: Recording class or number of calling party or called party

CPC: Recording class or number of calling or called party

Full Title

Full titles differ between systems:

IPC:

Arrangements for metering, time-control or time-indication > Recording calls in printed, perforated, or other permanent form > Recording class or number of calling party or called party

CPC:

Arrangements for metering, time-control or time indication > Recording calls in printed, perforated or other permanent form > Recording class or number of calling or called party

No child classifications to compare. This is a leaf node in both IPC and CPC.